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-rw-r--r--drivers/input/mouse/psmouse-base.c9
-rw-r--r--drivers/input/mouse/psmouse.h2
-rw-r--r--drivers/input/mouse/synaptics.c184
-rw-r--r--drivers/input/mouse/synaptics.h5
4 files changed, 152 insertions, 48 deletions
diff --git a/drivers/input/mouse/psmouse-base.c b/drivers/input/mouse/psmouse-base.c
index a6973e575aa..200be9c9dbc 100644
--- a/drivers/input/mouse/psmouse-base.c
+++ b/drivers/input/mouse/psmouse-base.c
@@ -127,7 +127,7 @@ struct psmouse_protocol {
* relevant events to the input module once full packet has arrived.
*/
-static psmouse_ret_t psmouse_process_byte(struct psmouse *psmouse)
+psmouse_ret_t psmouse_process_byte(struct psmouse *psmouse)
{
struct input_dev *dev = psmouse->dev;
unsigned char *packet = psmouse->packet;
@@ -819,6 +819,13 @@ static const struct psmouse_protocol psmouse_protocols[] = {
.detect = synaptics_detect,
.init = synaptics_init,
},
+ {
+ .type = PSMOUSE_SYNAPTICS_RELATIVE,
+ .name = "SynRelPS/2",
+ .alias = "synaptics-relative",
+ .detect = synaptics_detect,
+ .init = synaptics_init_relative,
+ },
#endif
#ifdef CONFIG_MOUSE_PS2_ALPS
{
diff --git a/drivers/input/mouse/psmouse.h b/drivers/input/mouse/psmouse.h
index 11a9c6c8bca..6a417092d01 100644
--- a/drivers/input/mouse/psmouse.h
+++ b/drivers/input/mouse/psmouse.h
@@ -94,6 +94,7 @@ enum psmouse_type {
PSMOUSE_HGPK,
PSMOUSE_ELANTECH,
PSMOUSE_FSP,
+ PSMOUSE_SYNAPTICS_RELATIVE,
PSMOUSE_AUTO /* This one should always be last */
};
@@ -103,6 +104,7 @@ int psmouse_sliced_command(struct psmouse *psmouse, unsigned char command);
int psmouse_reset(struct psmouse *psmouse);
void psmouse_set_state(struct psmouse *psmouse, enum psmouse_state new_state);
void psmouse_set_resolution(struct psmouse *psmouse, unsigned int resolution);
+psmouse_ret_t psmouse_process_byte(struct psmouse *psmouse);
struct psmouse_attribute {
struct device_attribute dattr;
diff --git a/drivers/input/mouse/synaptics.c b/drivers/input/mouse/synaptics.c
index c080b828e5d..a3bb49cb691 100644
--- a/drivers/input/mouse/synaptics.c
+++ b/drivers/input/mouse/synaptics.c
@@ -268,19 +268,49 @@ static int synaptics_query_hardware(struct psmouse *psmouse)
return 0;
}
-static int synaptics_set_absolute_mode(struct psmouse *psmouse)
+static int synaptics_set_advanced_gesture_mode(struct psmouse *psmouse)
+{
+ static unsigned char param = 0xc8;
+ struct synaptics_data *priv = psmouse->private;
+
+ if (!SYN_CAP_ADV_GESTURE(priv->ext_cap_0c))
+ return 0;
+
+ if (psmouse_sliced_command(psmouse, SYN_QUE_MODEL))
+ return -1;
+
+ if (ps2_command(&psmouse->ps2dev, &param, PSMOUSE_CMD_SETRATE))
+ return -1;
+
+ /* Advanced gesture mode also sends multi finger data */
+ priv->capabilities |= BIT(1);
+
+ return 0;
+}
+
+static int synaptics_set_mode(struct psmouse *psmouse)
{
struct synaptics_data *priv = psmouse->private;
- priv->mode = SYN_BIT_ABSOLUTE_MODE;
- if (SYN_ID_MAJOR(priv->identity) >= 4)
+ priv->mode = 0;
+ if (priv->absolute_mode)
+ priv->mode |= SYN_BIT_ABSOLUTE_MODE;
+ if (priv->disable_gesture)
priv->mode |= SYN_BIT_DISABLE_GESTURE;
+ if (psmouse->rate >= 80)
+ priv->mode |= SYN_BIT_HIGH_RATE;
if (SYN_CAP_EXTENDED(priv->capabilities))
priv->mode |= SYN_BIT_W_MODE;
if (synaptics_mode_cmd(psmouse, priv->mode))
return -1;
+ if (priv->absolute_mode &&
+ synaptics_set_advanced_gesture_mode(psmouse)) {
+ psmouse_err(psmouse, "Advanced gesture mode init failed.\n");
+ return -1;
+ }
+
return 0;
}
@@ -299,26 +329,6 @@ static void synaptics_set_rate(struct psmouse *psmouse, unsigned int rate)
synaptics_mode_cmd(psmouse, priv->mode);
}
-static int synaptics_set_advanced_gesture_mode(struct psmouse *psmouse)
-{
- static unsigned char param = 0xc8;
- struct synaptics_data *priv = psmouse->private;
-
- if (!(SYN_CAP_ADV_GESTURE(priv->ext_cap_0c) ||
- SYN_CAP_IMAGE_SENSOR(priv->ext_cap_0c)))
- return 0;
-
- if (psmouse_sliced_command(psmouse, SYN_QUE_MODEL))
- return -1;
- if (ps2_command(&psmouse->ps2dev, &param, PSMOUSE_CMD_SETRATE))
- return -1;
-
- /* Advanced gesture mode also sends multi finger data */
- priv->capabilities |= BIT(1);
-
- return 0;
-}
-
/*****************************************************************************
* Synaptics pass-through PS/2 port support
****************************************************************************/
@@ -1142,8 +1152,24 @@ static void set_input_params(struct input_dev *dev, struct synaptics_data *priv)
{
int i;
+ /* Things that apply to both modes */
__set_bit(INPUT_PROP_POINTER, dev->propbit);
+ __set_bit(EV_KEY, dev->evbit);
+ __set_bit(BTN_LEFT, dev->keybit);
+ __set_bit(BTN_RIGHT, dev->keybit);
+ if (SYN_CAP_MIDDLE_BUTTON(priv->capabilities))
+ __set_bit(BTN_MIDDLE, dev->keybit);
+
+ if (!priv->absolute_mode) {
+ /* Relative mode */
+ __set_bit(EV_REL, dev->evbit);
+ __set_bit(REL_X, dev->relbit);
+ __set_bit(REL_Y, dev->relbit);
+ return;
+ }
+
+ /* Absolute mode */
__set_bit(EV_ABS, dev->evbit);
set_abs_position_params(dev, priv, ABS_X, ABS_Y);
input_set_abs_params(dev, ABS_PRESSURE, 0, 255, 0, 0);
@@ -1169,20 +1195,14 @@ static void set_input_params(struct input_dev *dev, struct synaptics_data *priv)
if (SYN_CAP_PALMDETECT(priv->capabilities))
input_set_abs_params(dev, ABS_TOOL_WIDTH, 0, 15, 0, 0);
- __set_bit(EV_KEY, dev->evbit);
__set_bit(BTN_TOUCH, dev->keybit);
__set_bit(BTN_TOOL_FINGER, dev->keybit);
- __set_bit(BTN_LEFT, dev->keybit);
- __set_bit(BTN_RIGHT, dev->keybit);
if (SYN_CAP_MULTIFINGER(priv->capabilities)) {
__set_bit(BTN_TOOL_DOUBLETAP, dev->keybit);
__set_bit(BTN_TOOL_TRIPLETAP, dev->keybit);
}
- if (SYN_CAP_MIDDLE_BUTTON(priv->capabilities))
- __set_bit(BTN_MIDDLE, dev->keybit);
-
if (SYN_CAP_FOUR_BUTTON(priv->capabilities) ||
SYN_CAP_MIDDLE_BUTTON(priv->capabilities)) {
__set_bit(BTN_FORWARD, dev->keybit);
@@ -1204,10 +1224,58 @@ static void set_input_params(struct input_dev *dev, struct synaptics_data *priv)
}
}
+static ssize_t synaptics_show_disable_gesture(struct psmouse *psmouse,
+ void *data, char *buf)
+{
+ struct synaptics_data *priv = psmouse->private;
+
+ return sprintf(buf, "%c\n", priv->disable_gesture ? '1' : '0');
+}
+
+static ssize_t synaptics_set_disable_gesture(struct psmouse *psmouse,
+ void *data, const char *buf,
+ size_t len)
+{
+ struct synaptics_data *priv = psmouse->private;
+ unsigned int value;
+ int err;
+
+ err = kstrtouint(buf, 10, &value);
+ if (err)
+ return err;
+
+ if (value > 1)
+ return -EINVAL;
+
+ if (value == priv->disable_gesture)
+ return len;
+
+ priv->disable_gesture = value;
+ if (value)
+ priv->mode |= SYN_BIT_DISABLE_GESTURE;
+ else
+ priv->mode &= ~SYN_BIT_DISABLE_GESTURE;
+
+ if (synaptics_mode_cmd(psmouse, priv->mode))
+ return -EIO;
+
+ return len;
+}
+
+PSMOUSE_DEFINE_ATTR(disable_gesture, S_IWUSR | S_IRUGO, NULL,
+ synaptics_show_disable_gesture,
+ synaptics_set_disable_gesture);
+
static void synaptics_disconnect(struct psmouse *psmouse)
{
+ struct synaptics_data *priv = psmouse->private;
+
+ if (!priv->absolute_mode && SYN_ID_DISGEST_SUPPORTED(priv->identity))
+ device_remove_file(&psmouse->ps2dev.serio->dev,
+ &psmouse_attr_disable_gesture.dattr);
+
synaptics_reset(psmouse);
- kfree(psmouse->private);
+ kfree(priv);
psmouse->private = NULL;
}
@@ -1234,17 +1302,11 @@ static int synaptics_reconnect(struct psmouse *psmouse)
return -1;
}
- if (synaptics_set_absolute_mode(psmouse)) {
+ if (synaptics_set_mode(psmouse)) {
psmouse_err(psmouse, "Unable to initialize device.\n");
return -1;
}
- if (synaptics_set_advanced_gesture_mode(psmouse)) {
- psmouse_err(psmouse,
- "Advanced gesture mode reconnect failed.\n");
- return -1;
- }
-
if (old_priv.identity != priv->identity ||
old_priv.model_id != priv->model_id ||
old_priv.capabilities != priv->capabilities ||
@@ -1321,9 +1383,10 @@ void __init synaptics_module_init(void)
broken_olpc_ec = dmi_check_system(olpc_dmi_table);
}
-int synaptics_init(struct psmouse *psmouse)
+static int __synaptics_init(struct psmouse *psmouse, bool absolute_mode)
{
struct synaptics_data *priv;
+ int err = -1;
/*
* The OLPC XO has issues with Synaptics' absolute mode; similarly to
@@ -1351,13 +1414,12 @@ int synaptics_init(struct psmouse *psmouse)
goto init_fail;
}
- if (synaptics_set_absolute_mode(psmouse)) {
- psmouse_err(psmouse, "Unable to initialize device.\n");
- goto init_fail;
- }
+ priv->absolute_mode = absolute_mode;
+ if (SYN_ID_DISGEST_SUPPORTED(priv->identity))
+ priv->disable_gesture = true;
- if (synaptics_set_advanced_gesture_mode(psmouse)) {
- psmouse_err(psmouse, "Advanced gesture mode init failed.\n");
+ if (synaptics_set_mode(psmouse)) {
+ psmouse_err(psmouse, "Unable to initialize device.\n");
goto init_fail;
}
@@ -1382,12 +1444,19 @@ int synaptics_init(struct psmouse *psmouse)
psmouse->model = ((priv->model_id & 0x00ff0000) >> 8) |
(priv->model_id & 0x000000ff);
- psmouse->protocol_handler = synaptics_process_byte;
+ if (absolute_mode) {
+ psmouse->protocol_handler = synaptics_process_byte;
+ psmouse->pktsize = 6;
+ } else {
+ /* Relative mode follows standard PS/2 mouse protocol */
+ psmouse->protocol_handler = psmouse_process_byte;
+ psmouse->pktsize = 3;
+ }
+
psmouse->set_rate = synaptics_set_rate;
psmouse->disconnect = synaptics_disconnect;
psmouse->reconnect = synaptics_reconnect;
psmouse->cleanup = synaptics_reset;
- psmouse->pktsize = 6;
/* Synaptics can usually stay in sync without extra help */
psmouse->resync_time = 0;
@@ -1406,11 +1475,32 @@ int synaptics_init(struct psmouse *psmouse)
psmouse->rate = 40;
}
+ if (!priv->absolute_mode && SYN_ID_DISGEST_SUPPORTED(priv->identity)) {
+ err = device_create_file(&psmouse->ps2dev.serio->dev,
+ &psmouse_attr_disable_gesture.dattr);
+ if (err) {
+ psmouse_err(psmouse,
+ "Failed to create disable_gesture attribute (%d)",
+ err);
+ goto init_fail;
+ }
+ }
+
return 0;
init_fail:
kfree(priv);
- return -1;
+ return err;
+}
+
+int synaptics_init(struct psmouse *psmouse)
+{
+ return __synaptics_init(psmouse, true);
+}
+
+int synaptics_init_relative(struct psmouse *psmouse)
+{
+ return __synaptics_init(psmouse, false);
}
bool synaptics_supported(void)
diff --git a/drivers/input/mouse/synaptics.h b/drivers/input/mouse/synaptics.h
index 622aea8dd7e..fd26ccca13d 100644
--- a/drivers/input/mouse/synaptics.h
+++ b/drivers/input/mouse/synaptics.h
@@ -100,6 +100,7 @@
#define SYN_ID_MINOR(i) (((i) >> 16) & 0xff)
#define SYN_ID_FULL(i) ((SYN_ID_MAJOR(i) << 8) | SYN_ID_MINOR(i))
#define SYN_ID_IS_SYNAPTICS(i) ((((i) >> 8) & 0xff) == 0x47)
+#define SYN_ID_DISGEST_SUPPORTED(i) (SYN_ID_MAJOR(i) >= 4)
/* synaptics special commands */
#define SYN_PS_SET_MODE2 0x14
@@ -159,6 +160,9 @@ struct synaptics_data {
unsigned char mode; /* current mode byte */
int scroll;
+ bool absolute_mode; /* run in Absolute mode */
+ bool disable_gesture; /* disable gestures */
+
struct serio *pt_port; /* Pass-through serio port */
struct synaptics_mt_state mt_state; /* Current mt finger state */
@@ -175,6 +179,7 @@ struct synaptics_data {
void synaptics_module_init(void);
int synaptics_detect(struct psmouse *psmouse, bool set_properties);
int synaptics_init(struct psmouse *psmouse);
+int synaptics_init_relative(struct psmouse *psmouse);
void synaptics_reset(struct psmouse *psmouse);
bool synaptics_supported(void);
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2024-11-14 07:47:04 +0000